package com.woniuxy.login;

import java.awt.Shape;

public class ShapeFactory {
	
	   //使用 getShape 方法获取形状类型的对象
	   public Shape getShape(String shapeType){
	      if(shapeType == null){
	         return null;
	      }		
	      if(shapeType.equalsIgnoreCase("CIRCLE")){
	         return new Circle();
	      } else if(shapeType.equalsIgnoreCase("RECTANGLE")){
	         return new Rectangle();
	      } else if(shapeType.equalsIgnoreCase("SQUARE")){
	         return new Square();
	      }
	      return null;
	   }
	}
